EP2469729A4 - Method and apparatus for keeping the precoding channel coherency in a communication network - Google Patents
Method and apparatus for keeping the precoding channel coherency in a communication networkInfo
- Publication number
- EP2469729A4 EP2469729A4 EP09848376A EP09848376A EP2469729A4 EP 2469729 A4 EP2469729 A4 EP 2469729A4 EP 09848376 A EP09848376 A EP 09848376A EP 09848376 A EP09848376 A EP 09848376A EP 2469729 A4 EP2469729 A4 EP 2469729A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- keeping
- communication network
- precoding channel
- channel coherency
- coherency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0222—Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2009/073310 WO2011020235A1 (en) | 2009-08-17 | 2009-08-17 | Method and apparatus for keeping the precoding channel coherency in a communication network |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP2469729A1 EP2469729A1 (en) | 2012-06-27 |
| EP2469729A4 true EP2469729A4 (en) | 2013-01-30 |
| EP2469729B1 EP2469729B1 (en) | 2017-08-16 |
Family
ID=43606537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09848376.1A Not-in-force EP2469729B1 (en) | 2009-08-17 | 2009-08-17 | Method and apparatus for keeping the precoding channel coherency in a communication network |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US8948297B2 (en) |
| EP (1) | EP2469729B1 (en) |
| JP (1) | JP5624138B2 (en) |
| KR (1) | KR101449443B1 (en) |
| CN (1) | CN102415005B (en) |
| BR (1) | BR112012003477A2 (en) |
| RU (1) | RU2494541C1 (en) |
| WO (1) | WO2011020235A1 (en) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9961579B2 (en) | 2009-10-01 | 2018-05-01 | Qualcomm Incorporated | Scalable channel feedback for wireless communication |
| US8781005B2 (en) | 2009-10-01 | 2014-07-15 | Qualcomm Incorporated | Scalable quantization of channel state information for MIMO transmission |
| KR20120009649A (en) * | 2010-07-20 | 2012-02-02 | 삼성전자주식회사 | Apparatus and method for precoding using channel orthogonalization in multi user multi antenna system |
| US9203490B2 (en) | 2011-04-29 | 2015-12-01 | Lg Electronics Inc. | Method and apparatus for transmitting channel status information in wireless communication system |
| TWI580208B (en) * | 2011-04-29 | 2017-04-21 | 內數位專利控股公司 | Open loop spatial processing |
| CN103001674B (en) * | 2011-09-14 | 2015-04-08 | 华为技术有限公司 | Method, equipment and system for setting weight feedback granularity |
| US9294179B2 (en) * | 2012-02-07 | 2016-03-22 | Google Technology Holdings LLC | Gain normalization correction of PMI and COI feedback for base station with antenna array |
| KR101335330B1 (en) * | 2012-08-07 | 2013-12-02 | 전북대학교산학협력단 | Communication method for coordinated multi-point system |
| CN104104625B (en) * | 2013-04-10 | 2019-03-15 | 中兴通讯股份有限公司 | Guarantee after precoding the successional method of channel phase and base station between RB group |
| CN106817720B (en) * | 2015-11-27 | 2019-07-02 | 中兴通讯股份有限公司 | A kind of method and device obtaining channel information |
| US9929812B2 (en) * | 2015-12-07 | 2018-03-27 | Qualcomm Incorporated | Techniques for channel estimation using user equipment specific reference signals based on smoothed precoders in a frequency domain |
| CN105812039B (en) * | 2016-03-21 | 2019-03-22 | 郑州大学 | A kind of method for eliminating pilot pollution and device |
| US10404331B2 (en) * | 2016-12-20 | 2019-09-03 | Intel IP Corporation | Phase-rotation of SVD-based precoding matrices |
| KR102595898B1 (en) | 2016-12-27 | 2023-10-30 | 삼성전자 주식회사 | wireless communication device and channel estimation method thereof |
| KR20190097053A (en) * | 2016-12-27 | 2019-08-20 | 샤프 가부시키가이샤 | Terminal device, base station device and communication method |
| EP3570452B1 (en) * | 2017-01-17 | 2023-03-01 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Signal transmission method and apparatus |
| WO2018149503A1 (en) * | 2017-02-17 | 2018-08-23 | Huawei Technologies Co., Ltd. | Device and method for wireless communication network transmission |
| CN108880645B (en) * | 2017-07-26 | 2019-08-27 | 华为技术有限公司 | Methods, devices and systems for data transmission |
| CN109842576B (en) * | 2017-10-01 | 2020-10-09 | 维沃移动通信有限公司 | Method and apparatus for channel estimation using precoding granularity of control resource sets |
| US11044001B2 (en) | 2017-12-19 | 2021-06-22 | Telefonaktiebolaget Lm Ericsson (Publ) | Steering vector weighting |
| US11909480B2 (en) * | 2018-03-23 | 2024-02-20 | Lenovo (Beijing) Limited | Method and apparatus for non-codebook based UL transmission |
| US10659138B1 (en) * | 2018-12-04 | 2020-05-19 | Huawei Technologies Co., Ltd. | System and method for precoding in a line of sight (LOS) multiple-input multiple-output (MIMO) communication system |
| KR20210012080A (en) * | 2019-07-23 | 2021-02-03 | 삼성전자주식회사 | Method for generating precoder and precoder generating device in multi user multiple input and multiple output communication system |
| KR102206549B1 (en) * | 2019-10-21 | 2021-01-22 | 아주대학교산학협력단 | Transmitting apparus and precoding method thereof |
| CN111277522B (en) * | 2020-01-23 | 2021-07-06 | 青岛科技大学 | Method for quickly reconstructing channel parameters in underwater acoustic OFDM communication system |
| CN117715166A (en) * | 2020-06-22 | 2024-03-15 | 华为技术有限公司 | Power control method and device |
| WO2022160345A1 (en) * | 2021-02-01 | 2022-08-04 | 株式会社Ntt都科摩 | Channel reconstruction method, base station and terminal |
| US20240056142A1 (en) * | 2021-02-01 | 2024-02-15 | Ntt Docomo, Inc. | Base station and terminal |
| CN115118317B (en) * | 2022-05-27 | 2023-10-03 | 成都中科微信息技术研究院有限公司 | Iterative precoding multi-stream method, medium and device suitable for millimeter waves |
| WO2024098388A1 (en) * | 2022-11-11 | 2024-05-16 | Qualcomm Incorporated | Phase alignment for precoders |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006052890A1 (en) * | 2004-11-05 | 2006-05-18 | University Of Florida Research Foundation, Inc. | Uniform channel decomposition for mimo communications |
| WO2008060105A1 (en) * | 2006-11-15 | 2008-05-22 | Lg Electronics Inc. | Data transmission method using dirty paper coding in mimo system |
| US20080192704A1 (en) * | 2007-02-12 | 2008-08-14 | Mark Kent | Method and system for an alternating channel delta quantizer for mimo pre-coders with finite rate channel state information feedback |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3707116B2 (en) * | 1995-10-26 | 2005-10-19 | ソニー株式会社 | Speech decoding method and apparatus |
| KR100735402B1 (en) * | 2000-11-07 | 2007-07-04 | 삼성전자주식회사 | Apparatus and Method of Transmission Transmit Format Combination Indicator for Downlink Shared Channel in Asynchronous Mobile Communication System |
| US7613248B2 (en) * | 2002-06-24 | 2009-11-03 | Qualcomm Incorporated | Signal processing with channel eigenmode decomposition and channel inversion for MIMO systems |
| US20040081131A1 (en) | 2002-10-25 | 2004-04-29 | Walton Jay Rod | OFDM communication system with multiple OFDM symbol sizes |
| DE10254384B4 (en) * | 2002-11-17 | 2005-11-17 | Siemens Ag | Bidirectional signal processing method for a MIMO system with a rate-adaptive adaptation of the data transmission rate |
| US7242724B2 (en) * | 2003-07-16 | 2007-07-10 | Lucent Technologies Inc. | Method and apparatus for transmitting signals in a multi-antenna mobile communications system that compensates for channel variations |
| US7680212B2 (en) * | 2004-08-17 | 2010-03-16 | The Board Of Trustees Of The Leland Stanford Junior University | Linear precoding for multi-input systems based on channel estimate and channel statistics |
| JP4765336B2 (en) * | 2005-02-18 | 2011-09-07 | ソニー株式会社 | Wireless communication apparatus and wireless communication method |
| JP4445554B2 (en) * | 2005-04-14 | 2010-04-07 | パナソニック株式会社 | Wireless communication system and wireless communication method |
| US7133463B1 (en) * | 2005-08-25 | 2006-11-07 | Rambus Inc. | Linear transformation circuits |
| US20070165738A1 (en) * | 2005-10-27 | 2007-07-19 | Barriac Gwendolyn D | Method and apparatus for pre-coding for a mimo system |
| EP1871017A1 (en) * | 2006-06-23 | 2007-12-26 | Mitsubishi Electric Information Technology Centre Europe B.V. | Method and device for reporting, through a wireless network, a channel state information between a first telecommunication device and a second telecommunication device |
| CN101207600B (en) | 2006-12-22 | 2010-08-25 | 华为技术有限公司 | Method, system and apparatus for MIMO transmission of multi transmitting antennas |
| US7912140B2 (en) * | 2007-03-26 | 2011-03-22 | Lantiq Israel Ltd. | Reducing computational complexity in maximum likelihood MIMO OFDM decoder |
| CN101291526B (en) | 2007-04-18 | 2012-10-17 | 松下电器产业株式会社 | Adaptive scheduling method and apparatus reducing information feedback amount |
| CN101330486B (en) | 2007-06-21 | 2011-07-13 | 电信科学技术研究院 | Method and apparatus for transmitting down special pilot |
| US8014265B2 (en) * | 2007-08-15 | 2011-09-06 | Qualcomm Incorporated | Eigen-beamforming for wireless communication systems |
| CN101374034B (en) | 2007-08-20 | 2012-06-13 | 中兴通讯股份有限公司 | Down and up multi-user multi-input multi-output pre-coding method |
| CN101217304B (en) * | 2008-01-10 | 2013-01-30 | 北京邮电大学 | A multi-input and multi-output recoding processing method of multi-subchannel |
-
2009
- 2009-08-17 US US13/390,586 patent/US8948297B2/en not_active Expired - Fee Related
- 2009-08-17 EP EP09848376.1A patent/EP2469729B1/en not_active Not-in-force
- 2009-08-17 BR BR112012003477A patent/BR112012003477A2/en not_active IP Right Cessation
- 2009-08-17 KR KR1020127006759A patent/KR101449443B1/en active IP Right Grant
- 2009-08-17 CN CN200980158998.5A patent/CN102415005B/en active Active
- 2009-08-17 WO PCT/CN2009/073310 patent/WO2011020235A1/en active Application Filing
- 2009-08-17 JP JP2012525012A patent/JP5624138B2/en not_active Expired - Fee Related
- 2009-08-17 RU RU2012110200/07A patent/RU2494541C1/en not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006052890A1 (en) * | 2004-11-05 | 2006-05-18 | University Of Florida Research Foundation, Inc. | Uniform channel decomposition for mimo communications |
| WO2008060105A1 (en) * | 2006-11-15 | 2008-05-22 | Lg Electronics Inc. | Data transmission method using dirty paper coding in mimo system |
| US20080192704A1 (en) * | 2007-02-12 | 2008-08-14 | Mark Kent | Method and system for an alternating channel delta quantizer for mimo pre-coders with finite rate channel state information feedback |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2011020235A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2012110200A (en) | 2013-09-27 |
| JP5624138B2 (en) | 2014-11-12 |
| US8948297B2 (en) | 2015-02-03 |
| EP2469729B1 (en) | 2017-08-16 |
| WO2011020235A1 (en) | 2011-02-24 |
| RU2494541C1 (en) | 2013-09-27 |
| JP2013502756A (en) | 2013-01-24 |
| BR112012003477A2 (en) | 2017-05-23 |
| KR20120055696A (en) | 2012-05-31 |
| CN102415005A (en) | 2012-04-11 |
| CN102415005B (en) | 2015-04-08 |
| EP2469729A1 (en) | 2012-06-27 |
| US20120140851A1 (en) | 2012-06-07 |
| KR101449443B1 (en) | 2014-10-13 |
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